International Scholarly Research Notices

Research Article

Cognitive Impairment in Relapsing Remitting and Secondary Progressive Multiple Sclerosis Patients: Efficacy of a Computerized Cognitive Screening Battery

Table 4

(a) Correlation coefficients between demographic, clinical characteristics, and neuropsychological measures of RRMS patients. Pearson’s correlations for composite memory, psychomotor speed, and executive function and Spearman rank order correlations for all other measures. (b) Correlation coefficients between demographic, clinical characteristics, and neuropsychological measures of SPMS patients. Pearson’s correlations for composite memory, psychomotor speed, and executive function and Spearman rank order correlations for all other measures.

(a)


	Age	Education	EDSS	Duration

Education	−0.35*
EDSS	0.28	0.11
Duration	0.58***	−0.10	0.58***
Tmta	0.31*	−0.44**	0.14	0.24
Tmtb	0.43**	−0.41**	0.21	0.30*
Vfsem	−0.44**	0.42**	−0.09	−0.20
Vfphon	−0.41**	0.46***	−0.11	−0.23
Reactime	0.37**	−0.32*	0.16	0.36**
Compatt	0.23	−0.38**	0.05	0.04
Cognflex	−0.30*	0.40**	−0.13	−0.19
Procspeed	−0.60***	0.47***	−0.31*	−0.43**
Compmem	−0.44**	0.30*	−0.29*	−0.39**
Psyspeed	−0.44**	0.33*	−0.40**	−0.40**
Exfunction	−0.34*	0.44**	−0.13	−0.20

Correlation is significant at , , .
tmta: trail making test a; tmtb: trail making test b; vfsem: verbal fluency semantic; vfphon: verbal fluency phonological; reactime: reaction time; compatt: complex attention; cognflex: cognitive flexibility; procspeed: processing speed; compmem: composite memory; psyspeed: psychomotor speed exfunction: executive function.

(b)


	Age	Education	EDSS	Duration

Education	0.23
EDSS	0.07	0.05
Duration	0.30	−0.11	0.35
Tmta	0.31	−0.28	0.03	0.17
Tmtb	0.00	−0.17	−0.11	−0.07
Vfsem	0.05	0.25	0.25	0.13
Vfphon	0.13	0.37*	0.10	0.09
Reactime	−0.13	−0.07	−0.22	−0.31
Compatt	0.20	−0.43*	−0.08	0.37*
Cognflex	0.00	0.10	0.15	−0.12
Procspeed	0.02	0.04	0.00	0.04
Compmem	0.10	0.07	−0.32	0.14
Psyspeed	−0.32	0.17	−0.28	−0.26
Exfunction	−0.23	0.13	0.04	−0.17